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RIVER landforms

QuestionAnswer
Source The starting point of a river
Mouth The area where the river enter the sea or a lake
Tributary Smaller rivers which flow into larger ones
Confluence The point where two rivers meet
Floodplain the area of flat land in the middle and lower course of a river over which it floods
Meander A curve or bend in the course of the river
Watershed An are of highland such as mountains separating river basins
River Basin The area of land being drained by a river
Delta A triangular tract of land formed by a river depositing its load as it enter the sea.
Channel The path a river takes from the source to the mouth
Estuary The part of the river mouth that is tidal
Vshaped Valley A steep sided narrow valley found in the the upper course of a river caused by hydraulic action, cavitation and abrasion eg)River Liffey Co. WIcklow
Interlocking spurs sections of land that are left jutting out as the river find the easiest route, winding around bands of resistant rock eg) Aughnaleck Valley Co. Down
Waterfall Where a river flows over hard and soft rock, the soft rock is eroded and the forms a vertical drop over which the river plunges. Found in the upper course of the river. eg) Torc Waterfall, Killarny
Gorge A Very steep-sided valley formed by the head-ward erosion of a waterfall. eg) Niagra Falls
Braided Stream when a river is separated into smaller channels by small elongated island of gravel deposits deposited by a fast flowing river in the lower course eg) Broadmeadow River Dublin
Ox-Bow Lake A crescent shaped lake formed when a meander is cut off from the main river by deposition. It is found in the lower course of the river and usually occurs during times of flooding eg) River Shannon Co. Limrick
Levee The natural ridges that border a river in the lower course caused by flooding and deposition. eg) River Moy Co. Mayo
Created by: serrraphina
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